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  2. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Ten-code. Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [1]

  3. IATA delay codes - Wikipedia

    en.wikipedia.org/wiki/IATA_delay_codes

    These codes are used to describe technical delay reasons. 41 (TD): Aircraft defects. 42 (TM): Scheduled maintenance, late release. 43 (TN): Non-scheduled maintenance, special checks and / or additional works beyond normal maintenance. 44 (TS): Spares and maintenance equipment, lack of or breakdown.

  4. List of U.S. security clearance terms - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._security...

    T3 or T3R - Tier 3 or Tier 3 Reinvestigation, now replace all NACLC. T5 and T5R - Tier 5 or Tier 5 Reinvestigation, now replace SSBI and SBPR respectively. Yankee White – An investigation required for personnel working with the President and Vice President of the United States. Obtaining such clearance requires, in part, an SSBI.

  5. Police code - Wikipedia

    en.wikipedia.org/wiki/Police_code

    Police code. A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or ...

  6. Companion to the EDE Technical Reference, SAR Comment Codes ...

    fsapartners.ed.gov/sites/default/files/2022-07/...

    SAR Comment Codes and Text CH-i Change History Table The Change History table is updated each time the SAR Comment Codes and Text guide is modified, providing you with a cumulative list of revisions made to the document. When the SAR Comment Codes and Text guide is modified, the footer is updated to include the revised date.

  7. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.

  8. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    180 Ringing. Destination user agent received INVITE, and is alerting user of call. [1] : §21.1.2. 181 Call is Being Forwarded. Servers can optionally send this response to indicate a call is being forwarded. [1] : §21.1.3. 182 Queued. Indicates that the destination was temporarily unavailable, so the server has queued the call until the ...

  9. Safety and Security Practices at Public Schools

    nces.ed.gov/programs/coe/pdf/2021/a19_508c.pdf

    Other safety and security measures reported by public schools included the use of security cameras to monitor the school (83 percent), a requirement that faculty and staf wear badges or picture IDs (70 percent), and the enforcement of a strict dress code (49 percent). In addition, 27 percent of public schools reported the use of random sweeps ...